CN216288529U

CN216288529U - Contain chamber variable hydrogen fuel cell based on explosion-proof design

Info

Publication number: CN216288529U
Application number: CN202122780768.3U
Authority: CN
Inventors: 袁浩; 陶剑锋; 颜勤伟
Original assignee: Suzhou Hydrogen New Energy Technology Co ltd
Current assignee: Suzhou Hydrogen New Energy Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-12
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a hydrogen fuel cell with a variable accommodating cavity based on an explosion-proof design, which comprises a cell body, wherein an electrolytic cavity for storing electrolyte is arranged in the middle of the cell body, a proton exchange membrane and a catalyst are sequentially arranged at two ends of the electrolytic cavity, an anode plate and a cathode plate are symmetrically arranged at the lower side of the cell body, connecting cover bodies are arranged at two ends of the electrolytic cavity, the lower ends of the two connecting cover bodies are respectively communicated with a gas recovery pipe and a drain pipe, the opposite sides of the two connecting cover bodies are respectively connected with a hydrogen inlet and an oxygen inlet, connecting pipes are fixedly connected at two ends of the electrolytic cavity, clamping grooves matched with the connecting pipes are arranged at one end sides of the two connecting cover bodies close to the connecting pipes, sealing rings are arranged between the connecting pipes and the clamping grooves, and the upper ends and the lower ends of the two connecting cover bodies are in sealed clamping connection with the electrolytic cavity; the hydrogen fuel cell is convenient to disassemble the hydrogen inlet and the oxygen inlet, so that the hydrogen fuel cell and the oxygen inlet are convenient to maintain and replace, the cost is saved, and the service life of the hydrogen fuel cell is prolonged.

Description

Contain chamber variable hydrogen fuel cell based on explosion-proof design

Technical Field

The utility model relates to the field of hydrogen fuel cells, in particular to a hydrogen fuel cell with a variable accommodating cavity based on an explosion-proof design.

Background

The hydrogen fuel cell is a power generation device which directly converts chemical energy of hydrogen and oxygen into electric energy, and the basic principle is that the reverse reaction of electrolytic water is adopted, hydrogen and oxygen are respectively supplied to an anode and a cathode, the hydrogen diffuses outwards through the anode and reacts with an electrolyte, and then electrons are emitted to the cathode through an external load.

Hydrogen fuel cell includes oxygen entry and hydrogen entry, but present oxygen entry and hydrogen entry generally with hydrogen fuel cell fixed connection, when the phenomenon of gas leakage appears when the entrance is connected, then maintain when needing to its entry, in the process of maintenance, need pull down whole hydrogen fuel cell from power device, the operation is more complicated, damage when the entrance is serious, then need change whole hydrogen fuel cell, greatly reduced hydrogen fuel cell's life and use cost, for this reason, we provide one kind and hold chamber variable hydrogen fuel cell based on explosion-proof design.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a hydrogen fuel cell with a variable accommodating cavity based on an explosion-proof design, so as to solve the problems in the background art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a hold variable hydrogen fuel cell in chamber based on explosion-proof design, includes battery body, the battery body middle part is provided with the electrolysis chamber of storing electrolyte, electrolysis chamber both ends have set gradually proton exchange membrane and catalyst, and battery body downside symmetry is provided with anode plate and negative plate, the both ends in electrolysis chamber all are provided with the connecting cover body, two the lower extreme of the connecting cover body communicates respectively has gas recovery pipe and drain pipe, two the connecting cover body opposite side is connected with hydrogen entry and oxygen entry respectively, the equal rigid coupling in both ends in electrolysis chamber has the connecting pipe, two the connecting cover body is close to the one end side of connecting pipe and is provided with the joint groove rather than the adaptation, and is provided with the sealing washer between connecting pipe and the joint groove, two the last lower extreme of the connecting cover body all with electrolysis chamber seal joint.

According to a preferable technical scheme of the utility model, the upper end and the lower end of each of the two connecting cover bodies are respectively provided with a connecting groove, a second sealing gasket is arranged in each connecting groove, and the upper end and the lower end of each of two sides of the battery body are respectively fixedly connected with a connecting column matched with the connecting grooves.

As a preferable technical solution of the present invention, the first gasket is attached to both sides of the battery body.

As a preferred technical scheme of the utility model, the upper end and the lower end of the inner wall of the connecting groove are fixedly connected with arc-shaped bulges.

As a preferable technical scheme of the utility model, the two connecting cover bodies are internally provided with air distribution plates respectively.

As a preferable technical scheme of the utility model, the upper side of the battery body is provided with a supplementary pipe communicated with the upper end of the electrolytic cavity, and the supplementary pipe comprises a sealing end cover arranged at the upper end.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. the connecting pipe is matched with the clamping groove and the connecting groove to be matched with the connecting column, the double-clamping effect is achieved between the battery body and the connecting cover body, the connection stability between the battery body and the connecting cover body is improved, the connecting cover body is convenient to disassemble and assemble, a hydrogen inlet or an oxygen inlet is maintained, the whole hydrogen fuel cell does not need to be disassembled, the operation is simple, when the hydrogen inlet or the oxygen inlet is seriously damaged, the connecting cover body drives the hydrogen inlet or the oxygen inlet to be replaced, the cost is saved, the service life of the hydrogen fuel cell is prolonged, and the first sealing gasket and the second sealing gasket are matched for use, the sealing performance of the battery body and the connecting cover body in clamping is improved, and the phenomenon of gas leakage is prevented;

2. through the use of supplementary pipe, when hydrogen fuel cell at the during operation, need consume certain electrolyte, when electrolyte is not enough, open the upper end cover of supplementary pipe, supply electrolyte leading-in to the electrolysis chamber, prevent to influence hydrogen fuel cell's use because of the not enough of electrolyte, improved hydrogen fuel cell's practicality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded view of the connecting cover and the battery body according to the present invention;

FIG. 3 is a schematic view of the connection structure of the connecting cover and the battery body according to the present invention;

wherein: 1. an electrolysis chamber; 2. a proton exchange membrane; 3. a catalyst; 4. an anode plate; 5. a cathode plate; 6. connecting the cover body; 7. a gas distribution plate; 8. a hydrogen inlet; 9. an oxygen inlet; 10. a gas recovery pipe; 11. a drain pipe; 12. a connecting pipe; 13. a battery body; 14. connecting columns; 15. connecting grooves; 16. a clamping groove; 17. a replenishing pipe; 18. a seal ring; 19. a first gasket; 20. a second gasket; 21. and an arc-shaped bulge.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-3, the utility model provides a hydrogen fuel cell with a variable accommodating cavity based on an explosion-proof design, which comprises a cell body 13, wherein an electrolytic cavity 1 for storing electrolyte is arranged in the middle of the cell body 13, a proton exchange membrane 2 and a catalyst 3 are sequentially arranged at two ends of the electrolytic cavity 1, an anode plate 4 and a cathode plate 5 are symmetrically arranged at the lower side of the cell body 13, connecting cover bodies 6 are arranged at two ends of the electrolytic cavity 1, the lower ends of the two connecting cover bodies 6 are respectively communicated with a gas recovery pipe 10 and a drain pipe 11, water synthesized by hydrogen and oxygen is discharged through the drain pipe 11, a hydrogen inlet 8 and an oxygen inlet 9 are respectively connected to the opposite sides of the two connecting cover bodies 6, the oxygen inlet 9 is positioned at one end of the drain pipe 11, the cathode plate 5 and the drain pipe 11 are positioned at the same end, connecting pipes 12 are fixedly connected to two ends of the electrolytic cavity 1, and a clamping groove 16 matched with the two connecting cover bodies 6 is arranged at one end side close to the connecting pipes 12, a sealing ring 18 is arranged between the connecting pipe 12 and the clamping groove 16, the upper and lower ends of the two connecting cover bodies 6 are in sealed clamping connection with the electrolytic cavity 1, the upper and lower ends of the two connecting cover bodies 6 are respectively provided with a connecting groove 15, a second sealing gasket 20 is arranged inside the connecting groove 15, the upper and lower ends of two sides of the battery body 13 are respectively fixedly connected with a connecting column 14 matched with the connecting groove 15, and the two sides of the battery body 13 are respectively adhered with a first sealing gasket 19;

when the hydrogen inlet 8 or the oxygen inlet 9 of the hydrogen fuel cell is damaged after long-term use, firstly, the connecting cover body 6 is pulled towards one end far away from the cell body 13, the connecting groove 15 slides outwards along the surface of the connecting post 14, meanwhile, the connecting pipe 12 slides outwards along the inside of the clamping groove 16, until the connecting groove 15 is separated from the surface of the connecting post 14 and the connecting pipe 12 is separated from the inside of the clamping groove 16, the disassembly of the connecting cover body 6 is completed, the connecting cover body 6 is separated from the cell body 13 to maintain the hydrogen inlet 8 or the oxygen inlet 9, the whole hydrogen fuel cell does not need to be disassembled, the operation is simple, and when the hydrogen inlet 8 or the oxygen inlet 9 is seriously damaged, the connecting cover body 6 drives the hydrogen inlet 8 or the oxygen inlet 9 to be replaced, the cost is saved, and the service life of the hydrogen fuel cell is prolonged, when battery body 13 and the joint of the connecting cover body 6 joint, connecting pipe 12 cooperation joint groove 16 and spread groove 15 cooperation spliced pole 14 use, played the effect of dual joint, improved battery body 13 and the connection stability between the connecting cover body 6, the use of the sealed pad of the first 19 of sealing up and second 20 of sealing up of cooperation simultaneously has improved the leakproofness between them when the joint, prevents that the phenomenon of revealing from appearing in the gas.

As shown in fig. 3, in the embodiment, the upper and lower ends of the inner wall of the connecting groove 15 are fixedly connected with arc-shaped protrusions 21;

when the connecting column 14 is inserted into the connecting groove 15, the two sides of the connecting column 14 are clamped and limited by the two arc-shaped protrusions 21, and the connecting stability between the connecting column 14 and the connecting groove 15 is improved.

As shown in fig. 1 and 2, the present embodiment discloses that the inside of two connecting covers 6 are respectively provided with an air distribution plate 7;

through the use of the gas distribution plate 7, the hydrogen and the oxygen which are led into the middle parts of the two connecting cover bodies 6 are uniformly distributed, and the use effect of the hydrogen fuel cell is improved.

As shown in fig. 2, the embodiment discloses that a supplement pipe 17 communicated with the upper end of the electrolysis chamber 1 is arranged on the upper side of the cell body 13, and the supplement pipe 17 comprises a sealing end cover arranged on the upper end;

through the use of supplementary pipe 17, when hydrogen fuel cell at the during operation, need consume certain electrolyte, when electrolyte is not enough, open the upper end cover of supplementary pipe 17, supply electrolyte in leading-in electrolysis chamber 1, prevent to influence hydrogen fuel cell's use because of the not enough of electrolyte, improved hydrogen fuel cell's practicality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hold variable hydrogen fuel cell in chamber based on explosion-proof design, includes battery body (13), battery body (13) middle part is provided with electrolysis chamber (1) of storing electrolyte, electrolysis chamber (1) both ends have set gradually proton exchange membrane (2) and catalyst (3), and battery body (13) downside symmetry is provided with anode plate (4) and negative plate (5), its characterized in that: the both ends of electrolysis chamber (1) all are provided with the connection cover body (6), two the lower extreme of the connection cover body (6) communicates respectively has gas recovery pipe (10) and drain pipe (11), two the opposite side of the connection cover body (6) is connected with hydrogen entry (8) and oxygen entry (9) respectively, the equal rigid coupling in both ends of electrolysis chamber (1) has connecting pipe (12), two the one end side that the connection cover body (6) is close to connecting pipe (12) is provided with joint groove (16) rather than the adaptation, and is provided with between connecting pipe (12) and the joint groove (16) sealing washer (18), two the upper and lower end of the connection cover body (6) all with electrolysis chamber (1) sealing joint.

2. The hydrogen fuel cell with the variable accommodating chamber based on the explosion-proof design as claimed in claim 1, wherein: two connecting groove (15) have all been seted up to the upper and lower end of the connection cover body (6), and the inside of connecting groove (15) is provided with the sealed pad (20) of second, the last lower extreme of battery body (13) both sides all rigid coupling have with spliced pole (14) of connecting groove (15) adaptation.

3. The hydrogen fuel cell with the variable accommodating chamber based on the explosion-proof design as claimed in claim 2, wherein: and first sealing gaskets (19) are adhered to two sides of the battery body (13).

4. The hydrogen fuel cell with the variable accommodating chamber based on the explosion-proof design as claimed in claim 2, wherein: the upper end and the lower end of the inner wall of the connecting groove (15) are fixedly connected with arc-shaped bulges (21).

5. The hydrogen fuel cell with the variable accommodating chamber based on the explosion-proof design as claimed in claim 1, wherein: and air distribution plates (7) are respectively arranged in the two connecting cover bodies (6).

6. The hydrogen fuel cell with the variable accommodating chamber based on the explosion-proof design as claimed in claim 1, wherein: and a supplement pipe (17) communicated with the upper end of the electrolysis cavity (1) is arranged on the upper side of the battery body (13), and the supplement pipe (17) comprises a sealing end cover arranged at the upper end.